package m2;

import com.rabbitmq.client.*;

import java.io.IOException;

public class Consumer {
    public static void main(String[] args) throws Exception{
        //连接消息服务器
        ConnectionFactory f=new ConnectionFactory();
        f.setHost("192.168.64.140");
        f.setUsername("admin");
        f.setPassword("admin");
        Channel c=f.newConnection().createChannel();

        //定义队列
        c.queueDeclare("helloworld", false, false, false, null);
        //回调对象
        DeliverCallback deliverCallback=new DeliverCallback() {
            @Override
            public void handle(String s, Delivery delivery) throws IOException {
                String msg=new String(delivery.getBody());
                System.out.println("收到:"+msg);
                for (int i=0;i<msg.length();i++){
                    if (msg.charAt(i)=='.'){
                        try {
                            Thread.sleep(1000);
                        }catch (InterruptedException e){
                        }
                    }
                }
                System.out.println("--------------消息处理结束\n\n");
            }
        };
        CancelCallback cancelCallback=new CancelCallback(){
            @Override
            public void handle(String s) throws IOException {
            }
        };
        //每次只抓取一条消息
        c.basicQos(1);

        //消费数据
        /*第二个参数 ack模式
            true 自动确认
            false 手动确认
         */
        c.basicConsume("task-queue", false, deliverCallback, cancelCallback);
    }
}
